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Call signs in Australia are allocated by the Australian Communications and Media Authority and are unique for each broadcast station. The use of callsigns on-air in both radio and television in Australia is optional, so many stations used other on-air identifications. Australian broadcast stations officially have the prefix VL- and originally all callsigns used that format, but since Australia has no nearby neighbors, this prefix is no longer used except in an international context. ==Radio call signs== All radio call signs begin with a single-digit number indicating the state or territory, followed by two or three letters. In most cases, two letters are used for AM stations and three for FM, but there are some exceptions, such as 5UV in Adelaide, which broadcasts on an FM frequency, and 3RPH in Melbourne, which broadcasts on an AM frequency. While some AM stations retained their old call signs when moving to FM, most add an extra letter to the call sign. For instance, when 7HO Hobart became an FM station, it adopted the callsign 7HHO. Certain ABC radio stations, particularly outside of metropolitan areas, may use five-letter call signs for FM stations: ''xABCFM'' for ABC Classic FM, ''xABCRN'' for Radio National, and ''xABCRR'' for ABC Local Radio - the ''x'' being the state number. Also, SBS FM radio stations use a five-letter call sign, ''xSBSFM''. (Sydney and Melbourne's AM stations use ''2EA'' and ''3EA'', meaning ''Ethnic Australia''.) There are a number of exceptions: * For some time, two radio stations used the callsign 4CCC - a commercial station in Charleville and a community station in Warwick, both in Queensland.〔Radio and Television Broadcasting Stations, Austrlalian Communications and Media Authority, Internet Edition April 2008.〕 The Warwick station's call sign was later changed to 4SDB.〔Radio and Television Broadcasting Stations Internet Edition, Austrlalian Communications and Media Authority, January 2013.〕 In addition, a temporary community broadcaster, 4CCC Coral Coast Country Community Radio Inc, uses the name 4CCC, though it does not have a callsign. * Rebel FM, The Breeze, and Flow FM, which have many transmitters in Regional and Remote Central and Eastern Australia, use the callsigns 4RBL, 4BRZ and 8SAT respectively, regardless of which state their transmitters are located in.〔〔 * Radio Station 1RPH Canberra, Australian Capital Territory has relay transmitters in New South Wales〔〔 * The following Victorian stations also have relay transmitters in New south Wales: 3HOT and 3RUM.〔〔 * The following New South Wales stations also have relay transmitters in Victoria: 2AAY, 2BDR and 2MOR.〔〔 * The following New South Wales stations also have relay transmitters in Queensland: 2MW and 2TEN.〔〔 * 8KIN Alice Springs, Northern Territory has a relay transmitter in Pasminco Century Mine, Queensland, and several in South Australia.〔〔 * 3MBR Murrayville, Victoria has a relay transmitter in Lameroo, South Australia.〔〔 * The Nhulumbuy, Northern Territory transmitter for triple J has the callsign 6JJJ.〔〔 * Open narrowcast radio stations have no official call sign, though some stations use one (e.g. 3XY Radio Hellas in Melbourne). The following are lists of Australian radio station callsigns. *List of radio station callsigns in the Australian Capital Territory *List of radio station callsigns in New South Wales *List of radio station callsigns in Victoria *List of radio station callsigns in Queensland *List of radio station callsigns in South Australia *List of radio station callsigns in Western Australia *List of radio station callsigns in Tasmania *List of radio station callsigns in the Northern Territory Australian radios usually had the positions of radio stations marked on their dials (click the below (up to 1,607 × 506 pixels) for a higher resolution view). This Calstan dial is from a mains operated transistorized radio, circa the 1960s. Australia's postcodes, introduced in 1967, use the same introductory numeral as radio call signs. There is an urban myth that call signs were based on Australian military districts but this incorrect as the following list of military districts show: 1 = Queensland; 2 = New South Wales; 3 = Victoria; 4 = South Australia; 5 = Western Australia; 6 = Tasmania; 7 = Northern Territory; 8 = New Guinea, and Papua.〔Gavin Long, ''Australia in the War of 1939–1945', https://www.awm.gov.au/histories/second_world_war/AWMOHWW2/Army/Vol1/〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Call signs in Australia」の詳細全文を読む スポンサード リンク
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